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Given: A 300-kn loading is supported on a 1.5 m by 1.5 m square foundation constructed on the ground surface of a homogeneous soil deposit (soil unit weight is 19kN/m3).
Required: Determine the preconstruction and postconstruction vertical stress imposed on the soil at a point 2 m below the center of the foundation area (assume westergaard conditions applied)
An elbow, 90 degrees smooth bend flanged, is used in the Alaskan pipeline. Inside pipe diameter is 48 inches. Flow is 1.6 million barrels a day. 1 barrel=42 gal. Velocity is 8.27 ft/s. SG=0.93
How much will be in a high-yield account at the National Bank of Arizona 12 years from now if you deposit $5000 now and $7000 fi ve years from now. The account earns interest at a rate of 8% per year, compounded quarterly
Carbon disulfide (CS2) reacts with excess chlorine (Cl2) to produce carbon tetrachloride (CCl4) and disulfur dichloride (S2Cl2). If 69.7 g of CS2 yields 62.6 g of CCl4, what is the percent yield? (Hint, you must first write the balanced equation.)
A Pelton wheel located at an elevation of 200.0 m is sued to extract power from a reservoir at an elevation of 800.0 m. A penstock 1500 m long and 0.8 m in diameter connects the reservoir and nozzle of the Pelton wheel.
Calculate the precentage of carbon hydrogen and oxygen in ethanoic acid.
A 0.25 in diameter copper rod BC is securely attached between two identical 1 in diameter steel rods (AB and CD). Find the load P if the total elongation of the system is measured to be 0.0312 in. Esteel= 29,000ksi, Ecopper=17,000ksi.
{rm Al} reacts with 4.45 {rm g} of {rm O}_{2}, what is the empirical formula of aluminum oxide?
If an analysis is made of the hydraulic conductivity of a site using permeameter tests of core samples, slug tests of monitoring wells, and pumping tests of production wells, it is often observed that the hydraulic conductivity as measured by each..
what was involved in the first far-reaching, comprehensive study of Earth's oceans?
For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of water gage. Determine the smallest standard commercial pipe that will give the required performance.
where u(t) is in vehicles per minute and t is in minutes. When will the queue clear?
The central angle is 35 degrees, the superelevation is 0.08, and 20.6 ft is cleared (for sight distance) from the inside edge of the innermost lane. Determine a maximum safe speed (assuming current design standards) to the nearest 5 mi/h.
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